<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Qwt User&#39;s Guide: QwtPolarCanvas Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<link href="search/search.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="search/searchdata.js"></script>
<script type="text/javascript" src="search/search.js"></script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td id="projectalign" style="padding-left: 0.5em;">
   <div id="projectname">Qwt User&#39;s Guide
   &#160;<span id="projectnumber">6.2.0</span>
   </div>
  </td>
 </tr>
 </tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
  initMenu('',true,false,'search.php','Search');
  $(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
  <div id="nav-tree">
    <div id="nav-tree-contents">
      <div id="nav-sync" class="sync"></div>
    </div>
  </div>
  <div id="splitbar" style="-moz-user-select:none;" 
       class="ui-resizable-handle">
  </div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('class_qwt_polar_canvas.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- window showing the filter options -->
<div id="MSearchSelectWindow"
     onmouseover="return searchBox.OnSearchSelectShow()"
     onmouseout="return searchBox.OnSearchSelectHide()"
     onkeydown="return searchBox.OnSearchSelectKey(event)">
</div>

<!-- iframe showing the search results (closed by default) -->
<div id="MSearchResultsWindow">
<iframe src="javascript:void(0)" frameborder="0" 
        name="MSearchResults" id="MSearchResults">
</iframe>
</div>

<div class="header">
  <div class="summary">
<a href="#pub-types">Public Types</a> &#124;
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="class_qwt_polar_canvas-members.html">List of all members</a>  </div>
  <div class="headertitle">
<div class="title">QwtPolarCanvas Class Reference</div>  </div>
</div><!--header-->
<div class="contents">

<p>Canvas of a <a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a>.  
 <a href="class_qwt_polar_canvas.html#details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__polar__canvas_8h_source.html">qwt_polar_canvas.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtPolarCanvas:</div>
<div class="dyncontent">
<div class="center"><iframe scrolling="no" frameborder="0" src="class_qwt_polar_canvas__inherit__graph.svg" width="131" height="112"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe>
</div>
</div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:a371f88face8daaac6cd556e5f7596613"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a> { <a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613ab8c07aaa7ba2c8833fd4d0cfd9955829">BackingStore</a> = 0x01
 }</td></tr>
<tr class="memdesc:a371f88face8daaac6cd556e5f7596613"><td class="mdescLeft">&#160;</td><td class="mdescRight">Paint attributes.  <a href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">More...</a><br /></td></tr>
<tr class="separator:a371f88face8daaac6cd556e5f7596613"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1fe73f1cc6086c16dbbce571db807a6a"><td class="memItemLeft" align="right" valign="top">typedef QFlags&lt; <a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a1fe73f1cc6086c16dbbce571db807a6a">PaintAttributes</a></td></tr>
<tr class="separator:a1fe73f1cc6086c16dbbce571db807a6a"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aa5f39d822a71e056b4735da113a0a4e5"><td class="memItemLeft" align="right" valign="top"><a id="aa5f39d822a71e056b4735da113a0a4e5"></a>
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#aa5f39d822a71e056b4735da113a0a4e5">QwtPolarCanvas</a> (<a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> *)</td></tr>
<tr class="memdesc:aa5f39d822a71e056b4735da113a0a4e5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Constructor. <br /></td></tr>
<tr class="separator:aa5f39d822a71e056b4735da113a0a4e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aaf0b8442dc8b32353d7705c9dcc28bc0"><td class="memItemLeft" align="right" valign="top"><a id="aaf0b8442dc8b32353d7705c9dcc28bc0"></a>
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#aaf0b8442dc8b32353d7705c9dcc28bc0">~QwtPolarCanvas</a> ()</td></tr>
<tr class="memdesc:aaf0b8442dc8b32353d7705c9dcc28bc0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor. <br /></td></tr>
<tr class="separator:aaf0b8442dc8b32353d7705c9dcc28bc0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a2f3dc31a8c28390e3a7ec13cab60250e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a2f3dc31a8c28390e3a7ec13cab60250e">plot</a> ()</td></tr>
<tr class="separator:a2f3dc31a8c28390e3a7ec13cab60250e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1beed9ad6999fa4322df146357ebdb09"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a1beed9ad6999fa4322df146357ebdb09">plot</a> () const</td></tr>
<tr class="separator:a1beed9ad6999fa4322df146357ebdb09"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae7010120b9f6905bd31f748775c80b6c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c">setPaintAttribute</a> (<a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a>, bool on=true)</td></tr>
<tr class="memdesc:ae7010120b9f6905bd31f748775c80b6c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Changing the paint attributes.  <a href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c">More...</a><br /></td></tr>
<tr class="separator:ae7010120b9f6905bd31f748775c80b6c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9834b8341d95b4435baf7774ca390328"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a9834b8341d95b4435baf7774ca390328">testPaintAttribute</a> (<a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a>) const</td></tr>
<tr class="separator:a9834b8341d95b4435baf7774ca390328"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ad54cdb87c053882b5567753d7dfa6072"><td class="memItemLeft" align="right" valign="top">const QPixmap *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">backingStore</a> () const</td></tr>
<tr class="separator:ad54cdb87c053882b5567753d7dfa6072"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4afef808e10242a83a26f4b856aa4cef"><td class="memItemLeft" align="right" valign="top"><a id="a4afef808e10242a83a26f4b856aa4cef"></a>
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a4afef808e10242a83a26f4b856aa4cef">invalidateBackingStore</a> ()</td></tr>
<tr class="memdesc:a4afef808e10242a83a26f4b856aa4cef"><td class="mdescLeft">&#160;</td><td class="mdescRight">Invalidate the internal backing store. <br /></td></tr>
<tr class="separator:a4afef808e10242a83a26f4b856aa4cef"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a59b8ed7fb1726bd82b60a0298a46f076"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a59b8ed7fb1726bd82b60a0298a46f076">invTransform</a> (const QPoint &amp;) const</td></tr>
<tr class="separator:a59b8ed7fb1726bd82b60a0298a46f076"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a5a74140354315002c9560bee0f3591d8"><td class="memItemLeft" align="right" valign="top">QPoint&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a5a74140354315002c9560bee0f3591d8">transform</a> (const <a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> &amp;) const</td></tr>
<tr class="separator:a5a74140354315002c9560bee0f3591d8"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a6ec2cf0f674a6aa0d5478de546de6f84"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#a6ec2cf0f674a6aa0d5478de546de6f84">paintEvent</a> (QPaintEvent *) override</td></tr>
<tr class="separator:a6ec2cf0f674a6aa0d5478de546de6f84"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab61788d26953d8e8be220379e8b74f26"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_polar_canvas.html#ab61788d26953d8e8be220379e8b74f26">resizeEvent</a> (QResizeEvent *) override</td></tr>
<tr class="separator:ab61788d26953d8e8be220379e8b74f26"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Canvas of a <a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a>. </p>
<p>The canvas is the widget, where all polar items are painted to.</p>
<dl class="section note"><dt>Note</dt><dd>In opposite to <a class="el" href="class_qwt_plot.html" title="A 2-D plotting widget.">QwtPlot</a> all axes are painted on the canvas. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_plot.html" title="A plotting widget, displaying a polar coordinate system.">QwtPolarPlot</a> </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8h_source.html#l00027">27</a> of file <a class="el" href="qwt__polar__canvas_8h_source.html">qwt_polar_canvas.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
<a id="a1fe73f1cc6086c16dbbce571db807a6a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1fe73f1cc6086c16dbbce571db807a6a">&#9670;&nbsp;</a></span>PaintAttributes</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">typedef QFlags&lt;<a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a> &gt; <a class="el" href="class_qwt_polar_canvas.html#a1fe73f1cc6086c16dbbce571db807a6a">QwtPolarCanvas::PaintAttributes</a></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>An ORed combination of <a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a> values. </p>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8h_source.html#l00050">50</a> of file <a class="el" href="qwt__polar__canvas_8h_source.html">qwt_polar_canvas.h</a>.</p>

</div>
</div>
<h2 class="groupheader">Member Enumeration Documentation</h2>
<a id="a371f88face8daaac6cd556e5f7596613"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a371f88face8daaac6cd556e5f7596613">&#9670;&nbsp;</a></span>PaintAttribute</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">enum <a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">QwtPolarCanvas::PaintAttribute</a></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Paint attributes. </p>
<p>The default setting enables BackingStore</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c" title="Changing the paint attributes.">setPaintAttribute()</a>, <a class="el" href="class_qwt_polar_canvas.html#a9834b8341d95b4435baf7774ca390328">testPaintAttribute()</a>, <a class="el" href="class_qwt_polar_canvas.html#ad54cdb87c053882b5567753d7dfa6072">backingStore()</a> </dd></dl>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="a371f88face8daaac6cd556e5f7596613ab8c07aaa7ba2c8833fd4d0cfd9955829"></a>BackingStore&#160;</td><td class="fielddoc"><p>Paint double buffered and reuse the content of the pixmap buffer for some spontaneous repaints that happen when a plot gets unhidden, deiconified or changes the focus. </p>
</td></tr>
</table>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8h_source.html#l00040">40</a> of file <a class="el" href="qwt__polar__canvas_8h_source.html">qwt_polar_canvas.h</a>.</p>

</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="ad54cdb87c053882b5567753d7dfa6072"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad54cdb87c053882b5567753d7dfa6072">&#9670;&nbsp;</a></span>backingStore()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">const QPixmap * QwtPolarCanvas::backingStore </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Backing store, might be null </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00170">170</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="a59b8ed7fb1726bd82b60a0298a46f076"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a59b8ed7fb1726bd82b60a0298a46f076">&#9670;&nbsp;</a></span>invTransform()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> QwtPolarCanvas::invTransform </td>
          <td>(</td>
          <td class="paramtype">const QPoint &amp;&#160;</td>
          <td class="paramname"><em>pos</em></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Translate a point from widget into plot coordinates</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">pos</td><td>Point in widget coordinates of the plot canvas </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Point in plot coordinates</dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_canvas.html#a5a74140354315002c9560bee0f3591d8">transform()</a> </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00267">267</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="a6ec2cf0f674a6aa0d5478de546de6f84"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6ec2cf0f674a6aa0d5478de546de6f84">&#9670;&nbsp;</a></span>paintEvent()</h2>

<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">void QwtPolarCanvas::paintEvent </td>
          <td>(</td>
          <td class="paramtype">QPaintEvent *&#160;</td>
          <td class="paramname"><em>event</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">protected</span><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Paint event </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">event</td><td>Paint event </td></tr>
  </table>
  </dd>
</dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00186">186</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="a2f3dc31a8c28390e3a7ec13cab60250e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2f3dc31a8c28390e3a7ec13cab60250e">&#9670;&nbsp;</a></span>plot() <span class="overload">[1/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname"><a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * QwtPolarCanvas::plot </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Parent plot widget </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00097">97</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="a1beed9ad6999fa4322df146357ebdb09"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1beed9ad6999fa4322df146357ebdb09">&#9670;&nbsp;</a></span>plot() <span class="overload">[2/2]</span></h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">const <a class="el" href="class_qwt_polar_plot.html">QwtPolarPlot</a> * QwtPolarCanvas::plot </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="section return"><dt>Returns</dt><dd>Parent plot widget </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00103">103</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="ab61788d26953d8e8be220379e8b74f26"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab61788d26953d8e8be220379e8b74f26">&#9670;&nbsp;</a></span>resizeEvent()</h2>

<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">void QwtPolarCanvas::resizeEvent </td>
          <td>(</td>
          <td class="paramtype">QResizeEvent *&#160;</td>
          <td class="paramname"><em>event</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
  </td>
  <td class="mlabels-right">
<span class="mlabels"><span class="mlabel">override</span><span class="mlabel">protected</span><span class="mlabel">virtual</span></span>  </td>
  </tr>
</table>
</div><div class="memdoc">
<p>Resize event </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">event</td><td>Resize event </td></tr>
  </table>
  </dd>
</dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00251">251</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="ae7010120b9f6905bd31f748775c80b6c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae7010120b9f6905bd31f748775c80b6c">&#9670;&nbsp;</a></span>setPaintAttribute()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void QwtPolarCanvas::setPaintAttribute </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a>&#160;</td>
          <td class="paramname"><em>attribute</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>on</em> = <code>true</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>Changing the paint attributes. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">attribute</td><td>Paint attribute </td></tr>
    <tr><td class="paramname">on</td><td>On/Off</td></tr>
  </table>
  </dd>
</dl>
<p>The default setting enables BackingStore</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_canvas.html#a9834b8341d95b4435baf7774ca390328">testPaintAttribute()</a>, paintCache() </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00118">118</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="a9834b8341d95b4435baf7774ca390328"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a9834b8341d95b4435baf7774ca390328">&#9670;&nbsp;</a></span>testPaintAttribute()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">bool QwtPolarCanvas::testPaintAttribute </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_qwt_polar_canvas.html#a371f88face8daaac6cd556e5f7596613">PaintAttribute</a>&#160;</td>
          <td class="paramname"><em>attribute</em></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Test whether a paint attribute is enabled</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">attribute</td><td>Paint attribute </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the attribute is enabled </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_canvas.html#ae7010120b9f6905bd31f748775c80b6c" title="Changing the paint attributes.">setPaintAttribute()</a> </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00164">164</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
<a id="a5a74140354315002c9560bee0f3591d8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5a74140354315002c9560bee0f3591d8">&#9670;&nbsp;</a></span>transform()</h2>

<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">QPoint QwtPolarCanvas::transform </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="class_qwt_point_polar.html">QwtPointPolar</a> &amp;&#160;</td>
          <td class="paramname"><em>polarPos</em></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div><div class="memdoc">
<p>Translate a point from plot into widget coordinates</p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">polarPos</td><td>Point in plot coordinates </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Point in widget coordinates </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_qwt_polar_canvas.html#a5a74140354315002c9560bee0f3591d8">transform()</a> </dd></dl>

<p class="definition">Definition at line <a class="el" href="qwt__polar__canvas_8cpp_source.html#l00310">310</a> of file <a class="el" href="qwt__polar__canvas_8cpp_source.html">qwt_polar_canvas.cpp</a>.</p>

</div>
</div>
</div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
  <ul>
    <li class="navelem"><a class="el" href="class_qwt_polar_canvas.html">QwtPolarCanvas</a></li>
    <li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
  </ul>
</div>
</body>
</html>
